Intro to Millwright Practice Exam 2025 – Comprehensive All-In-One Guide for Exam Success!

The two most common types of point sockets found in a millwright's toolbox are the 6-point and 12-point sockets. These socket types are designed for different purposes and provide varying levels of engagement with fasteners.

A 6-point socket has six contact points, which allows for better grip on the flat surfaces of nut or bolt heads. This design minimizes rounding off the corners of the fasteners, making it preferable for heavy-duty applications where the fasteners may be tightly secured or subject to high torque.

On the other hand, a 12-point socket offers greater flexibility in terms of access, especially in tight spaces. Its design allows for 30-degree increments of rotation, which can be beneficial when working in confined areas where a full turn isn't possible. While the 12-point socket can also fit 6-point fasteners, it may not grip as firmly, which is why it is often used in situations where quick access is more critical than the ability to apply maximum torque.

Understanding the distinction between these two types of sockets equips millwrights with the tools necessary to efficiently and effectively handle a wide range of fastening tasks.